102210242 has 16 divisors (see below), whose sum is σ = 158924160. Its totient is φ = 49268208.

The previous prime is 102210233. The next prime is 102210271. The reversal of 102210242 is 242012201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817 + ... + 14412.

It is an arithmetic number, because the mean of its divisors is an integer number (9932760).

Almost surely, 2^102210242 is an apocalyptic number.

102210242 is a deficient number, since it is larger than the sum of its proper divisors (56713918).

102210242 is a wasteful number, since it uses less digits than its factorization.

102210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16345.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102210242 is about 10109.9081103638. The cubic root of 102210242 is about 467.5536720481.

Adding to 102210242 its reverse (242012201), we get a palindrome (344222443).

The spelling of 102210242 in words is "one hundred two million, two hundred ten thousand, two hundred forty-two".